public void NetworkProtocol(ref networkServer.networkClientInterface NetworkClient, string message)
{
//Public for the Unit Tests
CCstData.GetInstance(Application).Logger.writeInLog(3, LogCategory.OK, Support.LoggerType.SERVER, "Protocol received: " + message);
try
{
//Öañ4\u001b3[\b\nÎbÞö}\u0010VDYZ‚\u009d\u0005sQ˜e@p•\u001e\ab{󥟛¨YÉ`\\wõˆ¹éî\0
if (message[message.Length - 1] == '\0')
{
message = message.Substring(0, message.Length - 1);
}
//Decrypt received protocol
// QUESTION: Can we somehow see if we get something that isn't encrypted like traffic?
// QUESTION: Is it possible to decrypt something that isn't enchrypted and send it to the ProtocolController?
// QUESTION: Or does the decryption function checck all this?
List <char> Chars = message.ToList();
message = AES_Converter.DecryptFromCBC(CCstData.GetInstance(Application).EncryptionKey, CCstData.GetInstance(Application).EncryptionIV, message);
if (message[message.Length - 1] == '\0')
{
message = message.Substring(0, message.Length - 1);
}
}
catch (Exception e)
{
//If decryption failed, something was probably manipulated -> Log it
CCstData.GetInstance(Application).Logger.writeInLog(1, LogCategory.CRITICAL, Support.LoggerType.SERVER, "Protocol Decryption failed! Message: " + message + ", Error: " + e.ToString());
return;
}
CCstData.GetInstance(Application).Logger.writeInLog(2, LogCategory.OK, Support.LoggerType.SERVER, "Protocol received decrypted: " + message);
ProtocolController.ReceivedProtocol(NetworkClient, message);
}
public void SendProtocol(string Protocol, networkServer.networkClientInterface ClientInterface)
{
//encrypt protocol
string EncryptedProt = AES_Converter.EncryptWithCBC(CCstData.GetInstance(Application).EncryptionKey, CCstData.GetInstance(Application).EncryptionIV, Protocol);
string LengthAddition = EncryptedProt.Length.ToString();
while (LengthAddition.Length < 3)
{
LengthAddition = "0" + LengthAddition;
}
EncryptedProt = LengthAddition + EncryptedProt;
CCstData.GetInstance(Application).Logger.writeInLog(3, LogCategory.OK, Support.LoggerType.SERVER, String.Format("Protocol encrypted: {0} ({1})", EncryptedProt, Protocol));
TcpServer.sendMessage(EncryptedProt, ClientInterface);
}
